Finding the Fourth Proportional to 58,312.86, 80,522.55 and 45,715.74

Step by Step Solution

1. Step 1: Write the proportion equation
   58,312.86 : 80,522.55 = 45,715.74 : x
2. Step 2: Convert to fraction form
   58,312.86/80,522.55 = 45,715.74/x
3. Step 3: Cross multiply
   58,312.86x = 80,522.55 × 45,715.74
4. Step 4: Simplify right side
   58,312.86x = 3,681,147,959.94
5. Step 5: Solve for x
   x = 3,681,147,959.94/58,312.86
6. Step 6: Final answer
   x = 63,127.55