Finding the Fourth Proportional to 115,134,210.40, 158,884,951.80 and 65,574,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,134,210.40 : 158,884,951.80 = 65,574,580.72 : x
2. Step 2: Convert to fraction form
   115,134,210.40/158,884,951.80 = 65,574,580.72/x
3. Step 3: Cross multiply
   115,134,210.40x = 158,884,951.80 × 65,574,580.72
4. Step 4: Simplify right side
   115,134,210.40x = 10,418,814,097,002,410
5. Step 5: Solve for x
   x = 10,418,814,097,002,410/115,134,210.40
6. Step 6: Final answer
   x = 90,492,774.14