Finding the Fourth Proportional to 90,184.79, 124,432.61 and 58,315.34

Step by Step Solution

1. Step 1: Write the proportion equation
   90,184.79 : 124,432.61 = 58,315.34 : x
2. Step 2: Convert to fraction form
   90,184.79/124,432.61 = 58,315.34/x
3. Step 3: Cross multiply
   90,184.79x = 124,432.61 × 58,315.34
4. Step 4: Simplify right side
   90,184.79x = 7,256,329,045.50
5. Step 5: Solve for x
   x = 7,256,329,045.50/90,184.79
6. Step 6: Final answer
   x = 80,460.68