Finding the Fourth Proportional to 1,543,667.67, 2,130,259.29 and 855,384.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,667.67 : 2,130,259.29 = 855,384.11 : x
2. Step 2: Convert to fraction form
   1,543,667.67/2,130,259.29 = 855,384.11/x
3. Step 3: Cross multiply
   1,543,667.67x = 2,130,259.29 × 855,384.11
4. Step 4: Simplify right side
   1,543,667.67x = 1,822,189,936,194.59
5. Step 5: Solve for x
   x = 1,822,189,936,194.59/1,543,667.67
6. Step 6: Final answer
   x = 1,180,428.90