Finding the Fourth Proportional to 10,139,434.71, 15,200,491.55 and 3,748,495.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,139,434.71 : 15,200,491.55 = 3,748,495.83 : x
2. Step 2: Convert to fraction form
   10,139,434.71/15,200,491.55 = 3,748,495.83/x
3. Step 3: Cross multiply
   10,139,434.71x = 15,200,491.55 × 3,748,495.83
4. Step 4: Simplify right side
   10,139,434.71x = 56,978,979,170,382.76
5. Step 5: Solve for x
   x = 56,978,979,170,382.76/10,139,434.71
6. Step 6: Final answer
   x = 5,619,542.00