Finding the Fourth Proportional to 581,852,490.50, 872,757,477.83 and 172,898,012.18

Step by Step Solution

1. Step 1: Write the proportion equation
   581,852,490.50 : 872,757,477.83 = 172,898,012.18 : x
2. Step 2: Convert to fraction form
   581,852,490.50/872,757,477.83 = 172,898,012.18/x
3. Step 3: Cross multiply
   581,852,490.50x = 872,757,477.83 × 172,898,012.18
4. Step 4: Simplify right side
   581,852,490.50x = 150,898,033,026,809,152
5. Step 5: Solve for x
   x = 150,898,033,026,809,152/581,852,490.50
6. Step 6: Final answer
   x = 259,340,701.45