Finding the Fourth Proportional to 77,109.59, 115,673.92 and 37,636.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,109.59 : 115,673.92 = 37,636.88 : x
2. Step 2: Convert to fraction form
   77,109.59/115,673.92 = 37,636.88/x
3. Step 3: Cross multiply
   77,109.59x = 115,673.92 × 37,636.88
4. Step 4: Simplify right side
   77,109.59x = 4,353,604,773.71
5. Step 5: Solve for x
   x = 4,353,604,773.71/77,109.59
6. Step 6: Final answer
   x = 56,459.96