Finding the Fourth Proportional to 52,123,091.33, 71,928,909.35 and 28,917,720.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,123,091.33 : 71,928,909.35 = 28,917,720.07 : x
2. Step 2: Convert to fraction form
   52,123,091.33/71,928,909.35 = 28,917,720.07/x
3. Step 3: Cross multiply
   52,123,091.33x = 71,928,909.35 × 28,917,720.07
4. Step 4: Simplify right side
   52,123,091.33x = 2,080,020,065,523,705.50
5. Step 5: Solve for x
   x = 2,080,020,065,523,705.50/52,123,091.33
6. Step 6: Final answer
   x = 39,905,922.93