Finding the Fourth Proportional to 2,535,792.74, 3,499,478.61 and 1,389,876.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535,792.74 : 3,499,478.61 = 1,389,876.02 : x
2. Step 2: Convert to fraction form
   2,535,792.74/3,499,478.61 = 1,389,876.02/x
3. Step 3: Cross multiply
   2,535,792.74x = 3,499,478.61 × 1,389,876.02
4. Step 4: Simplify right side
   2,535,792.74x = 4,863,841,402,541.93
5. Step 5: Solve for x
   x = 4,863,841,402,541.93/2,535,792.74
6. Step 6: Final answer
   x = 1,918,075.29