Finding the Fourth Proportional to 7,528,579.58, 10,389,505.55 and 4,090,820.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528,579.58 : 10,389,505.55 = 4,090,820.61 : x
2. Step 2: Convert to fraction form
   7,528,579.58/10,389,505.55 = 4,090,820.61/x
3. Step 3: Cross multiply
   7,528,579.58x = 10,389,505.55 × 4,090,820.61
4. Step 4: Simplify right side
   7,528,579.58x = 42,501,603,414,725.82
5. Step 5: Solve for x
   x = 42,501,603,414,725.82/7,528,579.58
6. Step 6: Final answer
   x = 5,645,368.16