Finding the Fourth Proportional to 14,342,799,106.71, 21,485,386,082.63 and 7,141,959,451.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,342,799,106.71 : 21,485,386,082.63 = 7,141,959,451.91 : x
2. Step 2: Convert to fraction form
   14,342,799,106.71/21,485,386,082.63 = 7,141,959,451.91/x
3. Step 3: Cross multiply
   14,342,799,106.71x = 21,485,386,082.63 × 7,141,959,451.91
4. Step 4: Simplify right side
   14,342,799,106.71x = 153,447,756,210,842,894,336
5. Step 5: Solve for x
   x = 153,447,756,210,842,894,336/14,342,799,106.71
6. Step 6: Final answer
   x = 10,698,592,029.99