Finding the Fourth Proportional to 42,464,760.28, 63,696,499.42 and 19,105,007.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,464,760.28 : 63,696,499.42 = 19,105,007.27 : x
2. Step 2: Convert to fraction form
   42,464,760.28/63,696,499.42 = 19,105,007.27/x
3. Step 3: Cross multiply
   42,464,760.28x = 63,696,499.42 × 19,105,007.27
4. Step 4: Simplify right side
   42,464,760.28x = 1,216,922,084,492,650.75
5. Step 5: Solve for x
   x = 1,216,922,084,492,650.75/42,464,760.28
6. Step 6: Final answer
   x = 28,657,222.52