Finding the Fourth Proportional to 115,272,858.72, 172,632,225.15 and 65,939,141.82

Step by Step Solution

1. Step 1: Write the proportion equation
   115,272,858.72 : 172,632,225.15 = 65,939,141.82 : x
2. Step 2: Convert to fraction form
   115,272,858.72/172,632,225.15 = 65,939,141.82/x
3. Step 3: Cross multiply
   115,272,858.72x = 172,632,225.15 × 65,939,141.82
4. Step 4: Simplify right side
   115,272,858.72x = 11,383,220,776,868,022
5. Step 5: Solve for x
   x = 11,383,220,776,868,022/115,272,858.72
6. Step 6: Final answer
   x = 98,750,225.36