Finding the Fourth Proportional to 1,543,404.10, 2,314,328.55 and 912,511.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,543,404.10 : 2,314,328.55 = 912,511.30 : x
2. Step 2: Convert to fraction form
   1,543,404.10/2,314,328.55 = 912,511.30/x
3. Step 3: Cross multiply
   1,543,404.10x = 2,314,328.55 × 912,511.30
4. Step 4: Simplify right side
   1,543,404.10x = 2,111,850,953,787.62
5. Step 5: Solve for x
   x = 2,111,850,953,787.62/1,543,404.10
6. Step 6: Final answer
   x = 1,368,307.21