Finding the Fourth Proportional to 101,382.63, 139,895.82 and 56,054.49

Step by Step Solution

1. Step 1: Write the proportion equation
   101,382.63 : 139,895.82 = 56,054.49 : x
2. Step 2: Convert to fraction form
   101,382.63/139,895.82 = 56,054.49/x
3. Step 3: Cross multiply
   101,382.63x = 139,895.82 × 56,054.49
4. Step 4: Simplify right side
   101,382.63x = 7,841,788,843.23
5. Step 5: Solve for x
   x = 7,841,788,843.23/101,382.63
6. Step 6: Final answer
   x = 77,348.45