Finding the Fourth Proportional to 103,835.98, 143,293.72 and 56,089.33

Step by Step Solution

1. Step 1: Write the proportion equation
   103,835.98 : 143,293.72 = 56,089.33 : x
2. Step 2: Convert to fraction form
   103,835.98/143,293.72 = 56,089.33/x
3. Step 3: Cross multiply
   103,835.98x = 143,293.72 × 56,089.33
4. Step 4: Simplify right side
   103,835.98x = 8,037,248,748.01
5. Step 5: Solve for x
   x = 8,037,248,748.01/103,835.98
6. Step 6: Final answer
   x = 77,403.31