Finding the Fourth Proportional to 172,499,356.24, 258,754,287.12 and 67,450,504.60

Step by Step Solution

1. Step 1: Write the proportion equation
   172,499,356.24 : 258,754,287.12 = 67,450,504.60 : x
2. Step 2: Convert to fraction form
   172,499,356.24/258,754,287.12 = 67,450,504.60/x
3. Step 3: Cross multiply
   172,499,356.24x = 258,754,287.12 × 67,450,504.60
4. Step 4: Simplify right side
   172,499,356.24x = 17,453,107,233,657,280
5. Step 5: Solve for x
   x = 17,453,107,233,657,280/172,499,356.24
6. Step 6: Final answer
   x = 101,177,810.83