Finding the Fourth Proportional to 12,471,490.52, 18,717,311.48 and 5,288,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,471,490.52 : 18,717,311.48 = 5,288,068.50 : x
2. Step 2: Convert to fraction form
   12,471,490.52/18,717,311.48 = 5,288,068.50/x
3. Step 3: Cross multiply
   12,471,490.52x = 18,717,311.48 × 5,288,068.50
4. Step 4: Simplify right side
   12,471,490.52x = 98,978,425,242,076.38
5. Step 5: Solve for x
   x = 98,978,425,242,076.38/12,471,490.52
6. Step 6: Final answer
   x = 7,936,374.97