Finding the Fourth Proportional to 9,989,602,861.76, 14,979,500,995.91 and 4,941,626,919.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,989,602,861.76 : 14,979,500,995.91 = 4,941,626,919.71 : x
2. Step 2: Convert to fraction form
   9,989,602,861.76/14,979,500,995.91 = 4,941,626,919.71/x
3. Step 3: Cross multiply
   9,989,602,861.76x = 14,979,500,995.91 × 4,941,626,919.71
4. Step 4: Simplify right side
   9,989,602,861.76x = 74,023,105,365,112,012,800
5. Step 5: Solve for x
   x = 74,023,105,365,112,012,800/9,989,602,861.76
6. Step 6: Final answer
   x = 7,410,014,831.37