Finding the Fourth Proportional to 103,766.50, 155,649.84 and 37,210.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,766.50 : 155,649.84 = 37,210.78 : x
2. Step 2: Convert to fraction form
   103,766.50/155,649.84 = 37,210.78/x
3. Step 3: Cross multiply
   103,766.50x = 155,649.84 × 37,210.78
4. Step 4: Simplify right side
   103,766.50x = 5,791,851,953.28
5. Step 5: Solve for x
   x = 5,791,851,953.28/103,766.50
6. Step 6: Final answer
   x = 55,816.20