Finding the Fourth Proportional to 102,030.24, 152,944.88 and 42,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   102,030.24 : 152,944.88 = 42,882.72 : x
2. Step 2: Convert to fraction form
   102,030.24/152,944.88 = 42,882.72/x
3. Step 3: Cross multiply
   102,030.24x = 152,944.88 × 42,882.72
4. Step 4: Simplify right side
   102,030.24x = 6,558,692,464.47
5. Step 5: Solve for x
   x = 6,558,692,464.47/102,030.24
6. Step 6: Final answer
   x = 64,281.85