Finding the Fourth Proportional to 101,006.30, 139,382.42 and 55,681.94

Step by Step Solution

1. Step 1: Write the proportion equation
   101,006.30 : 139,382.42 = 55,681.94 : x
2. Step 2: Convert to fraction form
   101,006.30/139,382.42 = 55,681.94/x
3. Step 3: Cross multiply
   101,006.30x = 139,382.42 × 55,681.94
4. Step 4: Simplify right side
   101,006.30x = 7,761,083,547.49
5. Step 5: Solve for x
   x = 7,761,083,547.49/101,006.30
6. Step 6: Final answer
   x = 76,837.62