Finding the Fourth Proportional to 96,111.04, 144,064.50 and 56,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96,111.04 : 144,064.50 = 56,686.72 : x
2. Step 2: Convert to fraction form
   96,111.04/144,064.50 = 56,686.72/x
3. Step 3: Cross multiply
   96,111.04x = 144,064.50 × 56,686.72
4. Step 4: Simplify right side
   96,111.04x = 8,166,543,973.44
5. Step 5: Solve for x
   x = 8,166,543,973.44/96,111.04
6. Step 6: Final answer
   x = 84,969.88