Finding the Fourth Proportional to 150,538,405.56, 207,755,520.84 and 83,563,667.40

Step by Step Solution

1. Step 1: Write the proportion equation
   150,538,405.56 : 207,755,520.84 = 83,563,667.40 : x
2. Step 2: Convert to fraction form
   150,538,405.56/207,755,520.84 = 83,563,667.40/x
3. Step 3: Cross multiply
   150,538,405.56x = 207,755,520.84 × 83,563,667.40
4. Step 4: Simplify right side
   150,538,405.56x = 17,360,813,243,987,530
5. Step 5: Solve for x
   x = 17,360,813,243,987,530/150,538,405.56
6. Step 6: Final answer
   x = 115,324,811.50