Finding the Fourth Proportional to 2,018,807.61, 2,785,877.51 and 1,113,389.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,807.61 : 2,785,877.51 = 1,113,389.61 : x
2. Step 2: Convert to fraction form
   2,018,807.61/2,785,877.51 = 1,113,389.61/x
3. Step 3: Cross multiply
   2,018,807.61x = 2,785,877.51 × 1,113,389.61
4. Step 4: Simplify right side
   2,018,807.61x = 3,101,767,074,366.67
5. Step 5: Solve for x
   x = 3,101,767,074,366.67/2,018,807.61
6. Step 6: Final answer
   x = 1,536,435.20