Finding the Fourth Proportional to 1,725,404.10, 2,588,081.85 and 778,773.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,725,404.10 : 2,588,081.85 = 778,773.30 : x
2. Step 2: Convert to fraction form
   1,725,404.10/2,588,081.85 = 778,773.30/x
3. Step 3: Cross multiply
   1,725,404.10x = 2,588,081.85 × 778,773.30
4. Step 4: Simplify right side
   1,725,404.10x = 2,015,529,042,994.61
5. Step 5: Solve for x
   x = 2,015,529,042,994.61/1,725,404.10
6. Step 6: Final answer
   x = 1,168,148.98