Finding the Fourth Proportional to 99,680,018.55, 149,586,901.43 and 34,983,698.55

Step by Step Solution

1. Step 1: Write the proportion equation
   99,680,018.55 : 149,586,901.43 = 34,983,698.55 : x
2. Step 2: Convert to fraction form
   99,680,018.55/149,586,901.43 = 34,983,698.55/x
3. Step 3: Cross multiply
   99,680,018.55x = 149,586,901.43 × 34,983,698.55
4. Step 4: Simplify right side
   99,680,018.55x = 5,233,103,066,480,765
5. Step 5: Solve for x
   x = 5,233,103,066,480,765/99,680,018.55
6. Step 6: Final answer
   x = 52,499,017.78