Finding the Fourth Proportional to 28,872,123.84, 43,053,407.28 and 28,612,949.76

Step by Step Solution

1. Step 1: Write the proportion equation
   28,872,123.84 : 43,053,407.28 = 28,612,949.76 : x
2. Step 2: Convert to fraction form
   28,872,123.84/43,053,407.28 = 28,612,949.76/x
3. Step 3: Cross multiply
   28,872,123.84x = 43,053,407.28 × 28,612,949.76
4. Step 4: Simplify right side
   28,872,123.84x = 1,231,884,979,499,458.25
5. Step 5: Solve for x
   x = 1,231,884,979,499,458.25/28,872,123.84
6. Step 6: Final answer
   x = 42,666,933.21