Finding the Fourth Proportional to 1,501,688.16, 2,071,822.32 and 856,654.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501,688.16 : 2,071,822.32 = 856,654.56 : x
2. Step 2: Convert to fraction form
   1,501,688.16/2,071,822.32 = 856,654.56/x
3. Step 3: Cross multiply
   1,501,688.16x = 2,071,822.32 × 856,654.56
4. Step 4: Simplify right side
   1,501,688.16x = 1,774,836,037,937.78
5. Step 5: Solve for x
   x = 1,774,836,037,937.78/1,501,688.16
6. Step 6: Final answer
   x = 1,181,893.87