Finding the Fourth Proportional to 93,498.33, 128,946.30 and 60,778.91

Step by Step Solution

1. Step 1: Write the proportion equation
   93,498.33 : 128,946.30 = 60,778.91 : x
2. Step 2: Convert to fraction form
   93,498.33/128,946.30 = 60,778.91/x
3. Step 3: Cross multiply
   93,498.33x = 128,946.30 × 60,778.91
4. Step 4: Simplify right side
   93,498.33x = 7,837,215,444.48
5. Step 5: Solve for x
   x = 7,837,215,444.48/93,498.33
6. Step 6: Final answer
   x = 83,821.99