Finding the Fourth Proportional to 1,662,611.13, 2,294,402.06 and 898,664.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,611.13 : 2,294,402.06 = 898,664.69 : x
2. Step 2: Convert to fraction form
   1,662,611.13/2,294,402.06 = 898,664.69/x
3. Step 3: Cross multiply
   1,662,611.13x = 2,294,402.06 × 898,664.69
4. Step 4: Simplify right side
   1,662,611.13x = 2,061,898,123,967.93
5. Step 5: Solve for x
   x = 2,061,898,123,967.93/1,662,611.13
6. Step 6: Final answer
   x = 1,240,156.57