Finding the Fourth Proportional to 2,118,148, 2,921,032.56 and 1,393,610.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118,148 : 2,921,032.56 = 1,393,610.56 : x
2. Step 2: Convert to fraction form
   2,118,148/2,921,032.56 = 1,393,610.56/x
3. Step 3: Cross multiply
   2,118,148x = 2,921,032.56 × 1,393,610.56
4. Step 4: Simplify right side
   2,118,148x = 4,070,781,821,719.83
5. Step 5: Solve for x
   x = 4,070,781,821,719.83/2,118,148
6. Step 6: Final answer
   x = 1,921,859.01