Finding the Fourth Proportional to 1,113,483.51, 1,671,406.33 and 986,225.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,483.51 : 1,671,406.33 = 986,225.91 : x
2. Step 2: Convert to fraction form
   1,113,483.51/1,671,406.33 = 986,225.91/x
3. Step 3: Cross multiply
   1,113,483.51x = 1,671,406.33 × 986,225.91
4. Step 4: Simplify right side
   1,113,483.51x = 1,648,384,228,784.01
5. Step 5: Solve for x
   x = 1,648,384,228,784.01/1,113,483.51
6. Step 6: Final answer
   x = 1,480,384.95