Finding the Fourth Proportional to 28,371,870.59, 42,563,783.69 and 9,201,132.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,371,870.59 : 42,563,783.69 = 9,201,132.82 : x
2. Step 2: Convert to fraction form
   28,371,870.59/42,563,783.69 = 9,201,132.82/x
3. Step 3: Cross multiply
   28,371,870.59x = 42,563,783.69 × 9,201,132.82
4. Step 4: Simplify right side
   28,371,870.59x = 391,635,027,053,439.69
5. Step 5: Solve for x
   x = 391,635,027,053,439.69/28,371,870.59
6. Step 6: Final answer
   x = 13,803,637.86