Finding the Fourth Proportional to 1,528,123.10, 2,291,601.45 and 462,811.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,123.10 : 2,291,601.45 = 462,811.10 : x
2. Step 2: Convert to fraction form
   1,528,123.10/2,291,601.45 = 462,811.10/x
3. Step 3: Cross multiply
   1,528,123.10x = 2,291,601.45 × 462,811.10
4. Step 4: Simplify right side
   1,528,123.10x = 1,060,578,587,836.10
5. Step 5: Solve for x
   x = 1,060,578,587,836.10/1,528,123.10
6. Step 6: Final answer
   x = 694,040.02