Finding the Fourth Proportional to 1,377,123.30, 2,061,602.55 and 1,023,704.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,123.30 : 2,061,602.55 = 1,023,704.10 : x
2. Step 2: Convert to fraction form
   1,377,123.30/2,061,602.55 = 1,023,704.10/x
3. Step 3: Cross multiply
   1,377,123.30x = 2,061,602.55 × 1,023,704.10
4. Step 4: Simplify right side
   1,377,123.30x = 2,110,470,983,005.46
5. Step 5: Solve for x
   x = 2,110,470,983,005.46/1,377,123.30
6. Step 6: Final answer
   x = 1,532,521.44