Finding the Fourth Proportional to 52,213,039.67, 72,055,194.84 and 28,693,038.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,213,039.67 : 72,055,194.84 = 28,693,038.69 : x
2. Step 2: Convert to fraction form
   52,213,039.67/72,055,194.84 = 28,693,038.69/x
3. Step 3: Cross multiply
   52,213,039.67x = 72,055,194.84 × 28,693,038.69
4. Step 4: Simplify right side
   52,213,039.67x = 2,067,482,493,359,608.50
5. Step 5: Solve for x
   x = 2,067,482,493,359,608.50/52,213,039.67
6. Step 6: Final answer
   x = 39,597,052.89