Finding the Fourth Proportional to 118,132.02, 163,019.76 and 64,417.62

Step by Step Solution

1. Step 1: Write the proportion equation
   118,132.02 : 163,019.76 = 64,417.62 : x
2. Step 2: Convert to fraction form
   118,132.02/163,019.76 = 64,417.62/x
3. Step 3: Cross multiply
   118,132.02x = 163,019.76 × 64,417.62
4. Step 4: Simplify right side
   118,132.02x = 10,501,344,952.17
5. Step 5: Solve for x
   x = 10,501,344,952.17/118,132.02
6. Step 6: Final answer
   x = 88,894.99