Finding the Fourth Proportional to 56,891.48, 78,451.98 and 37,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,891.48 : 78,451.98 = 37,764.50 : x
2. Step 2: Convert to fraction form
   56,891.48/78,451.98 = 37,764.50/x
3. Step 3: Cross multiply
   56,891.48x = 78,451.98 × 37,764.50
4. Step 4: Simplify right side
   56,891.48x = 2,962,699,798.71
5. Step 5: Solve for x
   x = 2,962,699,798.71/56,891.48
6. Step 6: Final answer
   x = 52,076.34