Finding the Fourth Proportional to 89,530.34, 123,594.12 and 56,841.17

Step by Step Solution

1. Step 1: Write the proportion equation
   89,530.34 : 123,594.12 = 56,841.17 : x
2. Step 2: Convert to fraction form
   89,530.34/123,594.12 = 56,841.17/x
3. Step 3: Cross multiply
   89,530.34x = 123,594.12 × 56,841.17
4. Step 4: Simplify right side
   89,530.34x = 7,025,233,767.95
5. Step 5: Solve for x
   x = 7,025,233,767.95/89,530.34
6. Step 6: Final answer
   x = 78,467.64