Finding the Fourth Proportional to 432,991.56, 649,567.98 and 152,686.92

Step by Step Solution

1. Step 1: Write the proportion equation
   432,991.56 : 649,567.98 = 152,686.92 : x
2. Step 2: Convert to fraction form
   432,991.56/649,567.98 = 152,686.92/x
3. Step 3: Cross multiply
   432,991.56x = 649,567.98 × 152,686.92
4. Step 4: Simplify right side
   432,991.56x = 99,180,534,196.82
5. Step 5: Solve for x
   x = 99,180,534,196.82/432,991.56
6. Step 6: Final answer
   x = 229,058.82