Finding the Fourth Proportional to 101,002.95, 139,382.98 and 55,679.81

Step by Step Solution

1. Step 1: Write the proportion equation
   101,002.95 : 139,382.98 = 55,679.81 : x
2. Step 2: Convert to fraction form
   101,002.95/139,382.98 = 55,679.81/x
3. Step 3: Cross multiply
   101,002.95x = 139,382.98 × 55,679.81
4. Step 4: Simplify right side
   101,002.95x = 7,760,817,007.52
5. Step 5: Solve for x
   x = 7,760,817,007.52/101,002.95
6. Step 6: Final answer
   x = 76,837.53