Finding the Fourth Proportional to 3,012,641.02, 4,155,618.90 and 1,788,139.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,012,641.02 : 4,155,618.90 = 1,788,139.72 : x
2. Step 2: Convert to fraction form
   3,012,641.02/4,155,618.90 = 1,788,139.72/x
3. Step 3: Cross multiply
   3,012,641.02x = 4,155,618.90 × 1,788,139.72
4. Step 4: Simplify right side
   3,012,641.02x = 7,430,827,216,272.71
5. Step 5: Solve for x
   x = 7,430,827,216,272.71/3,012,641.02
6. Step 6: Final answer
   x = 2,466,549.17