Finding the Fourth Proportional to 78,388,141.83, 108,181,686.96 and 47,027,365.35

Step by Step Solution

1. Step 1: Write the proportion equation
   78,388,141.83 : 108,181,686.96 = 47,027,365.35 : x
2. Step 2: Convert to fraction form
   78,388,141.83/108,181,686.96 = 47,027,365.35/x
3. Step 3: Cross multiply
   78,388,141.83x = 108,181,686.96 × 47,027,365.35
4. Step 4: Simplify right side
   78,388,141.83x = 5,087,499,716,847,251
5. Step 5: Solve for x
   x = 5,087,499,716,847,251/78,388,141.83
6. Step 6: Final answer
   x = 64,901,394.50