Finding the Fourth Proportional to 2,580,784.32, 3,870,926.16 and 783,683.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,784.32 : 3,870,926.16 = 783,683.34 : x
2. Step 2: Convert to fraction form
   2,580,784.32/3,870,926.16 = 783,683.34/x
3. Step 3: Cross multiply
   2,580,784.32x = 3,870,926.16 × 783,683.34
4. Step 4: Simplify right side
   2,580,784.32x = 3,033,580,341,962.17
5. Step 5: Solve for x
   x = 3,033,580,341,962.17/2,580,784.32
6. Step 6: Final answer
   x = 1,175,449.00