Finding the Fourth Proportional to 149,918.60, 224,851.98 and 56,425.16

Step by Step Solution

1. Step 1: Write the proportion equation
   149,918.60 : 224,851.98 = 56,425.16 : x
2. Step 2: Convert to fraction form
   149,918.60/224,851.98 = 56,425.16/x
3. Step 3: Cross multiply
   149,918.60x = 224,851.98 × 56,425.16
4. Step 4: Simplify right side
   149,918.60x = 12,687,308,947.82
5. Step 5: Solve for x
   x = 12,687,308,947.82/149,918.60
6. Step 6: Final answer
   x = 84,627.98