Finding the Fourth Proportional to 51,331,978.56, 70,838,147.52 and 28,126,917.12

Step by Step Solution

1. Step 1: Write the proportion equation
   51,331,978.56 : 70,838,147.52 = 28,126,917.12 : x
2. Step 2: Convert to fraction form
   51,331,978.56/70,838,147.52 = 28,126,917.12/x
3. Step 3: Cross multiply
   51,331,978.56x = 70,838,147.52 × 28,126,917.12
4. Step 4: Simplify right side
   51,331,978.56x = 1,992,458,704,229,373.50
5. Step 5: Solve for x
   x = 1,992,458,704,229,373.50/51,331,978.56
6. Step 6: Final answer
   x = 38,815,155.00