Finding the Fourth Proportional to 1,501,145.96, 2,071,551.80 and 856,462.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501,145.96 : 2,071,551.80 = 856,462.10 : x
2. Step 2: Convert to fraction form
   1,501,145.96/2,071,551.80 = 856,462.10/x
3. Step 3: Cross multiply
   1,501,145.96x = 2,071,551.80 × 856,462.10
4. Step 4: Simplify right side
   1,501,145.96x = 1,774,205,600,604.47
5. Step 5: Solve for x
   x = 1,774,205,600,604.47/1,501,145.96
6. Step 6: Final answer
   x = 1,181,900.79