Finding the Fourth Proportional to 149,663.57, 224,300.42 and 60,813.20

Step by Step Solution

1. Step 1: Write the proportion equation
   149,663.57 : 224,300.42 = 60,813.20 : x
2. Step 2: Convert to fraction form
   149,663.57/224,300.42 = 60,813.20/x
3. Step 3: Cross multiply
   149,663.57x = 224,300.42 × 60,813.20
4. Step 4: Simplify right side
   149,663.57x = 13,640,426,301.54
5. Step 5: Solve for x
   x = 13,640,426,301.54/149,663.57
6. Step 6: Final answer
   x = 91,140.59