Finding the Fourth Proportional to 105,648,632.10, 158,472,948.15 and 64,833,963.30

Step by Step Solution

1. Step 1: Write the proportion equation
   105,648,632.10 : 158,472,948.15 = 64,833,963.30 : x
2. Step 2: Convert to fraction form
   105,648,632.10/158,472,948.15 = 64,833,963.30/x
3. Step 3: Cross multiply
   105,648,632.10x = 158,472,948.15 × 64,833,963.30
4. Step 4: Simplify right side
   105,648,632.10x = 10,274,429,304,399,902
5. Step 5: Solve for x
   x = 10,274,429,304,399,902/105,648,632.10
6. Step 6: Final answer
   x = 97,250,944.95