Finding the Fourth Proportional to 99,680,021.30, 149,586,905.55 and 34,983,701.30

Step by Step Solution

1. Step 1: Write the proportion equation
   99,680,021.30 : 149,586,905.55 = 34,983,701.30 : x
2. Step 2: Convert to fraction form
   99,680,021.30/149,586,905.55 = 34,983,701.30/x
3. Step 3: Cross multiply
   99,680,021.30x = 149,586,905.55 × 34,983,701.30
4. Step 4: Simplify right side
   99,680,021.30x = 5,233,103,622,152,512
5. Step 5: Solve for x
   x = 5,233,103,622,152,512/99,680,021.30
6. Step 6: Final answer
   x = 52,499,021.91