Finding the Fourth Proportional to 94,144.80, 129,888.52 and 55,916.04

Step by Step Solution

1. Step 1: Write the proportion equation
   94,144.80 : 129,888.52 = 55,916.04 : x
2. Step 2: Convert to fraction form
   94,144.80/129,888.52 = 55,916.04/x
3. Step 3: Cross multiply
   94,144.80x = 129,888.52 × 55,916.04
4. Step 4: Simplify right side
   94,144.80x = 7,262,851,679.86
5. Step 5: Solve for x
   x = 7,262,851,679.86/94,144.80
6. Step 6: Final answer
   x = 77,145.54