Finding the Fourth Proportional to 103,836.73, 143,294.59 and 56,090.06

Step by Step Solution

1. Step 1: Write the proportion equation
   103,836.73 : 143,294.59 = 56,090.06 : x
2. Step 2: Convert to fraction form
   103,836.73/143,294.59 = 56,090.06/x
3. Step 3: Cross multiply
   103,836.73x = 143,294.59 × 56,090.06
4. Step 4: Simplify right side
   103,836.73x = 8,037,402,150.78
5. Step 5: Solve for x
   x = 8,037,402,150.78/103,836.73
6. Step 6: Final answer
   x = 77,404.23