Finding the Fourth Proportional to 52,123,089.33, 71,928,906.59 and 28,917,718.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,123,089.33 : 71,928,906.59 = 28,917,718.07 : x
2. Step 2: Convert to fraction form
   52,123,089.33/71,928,906.59 = 28,917,718.07/x
3. Step 3: Cross multiply
   52,123,089.33x = 71,928,906.59 × 28,917,718.07
4. Step 4: Simplify right side
   52,123,089.33x = 2,080,019,841,565,635
5. Step 5: Solve for x
   x = 2,080,019,841,565,635/52,123,089.33
6. Step 6: Final answer
   x = 39,905,920.17