Finding the Fourth Proportional to 56,766,800.86, 78,372,214.84 and 37,221,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,766,800.86 : 78,372,214.84 = 37,221,784.72 : x
2. Step 2: Convert to fraction form
   56,766,800.86/78,372,214.84 = 37,221,784.72/x
3. Step 3: Cross multiply
   56,766,800.86x = 78,372,214.84 × 37,221,784.72
4. Step 4: Simplify right side
   56,766,800.86x = 2,917,153,708,804,069.50
5. Step 5: Solve for x
   x = 2,917,153,708,804,069.50/56,766,800.86
6. Step 6: Final answer
   x = 51,388,376.03