Finding the Fourth Proportional to 8,181,870.75, 11,290,978.02 and 4,697,434.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,181,870.75 : 11,290,978.02 = 4,697,434.23 : x
2. Step 2: Convert to fraction form
   8,181,870.75/11,290,978.02 = 4,697,434.23/x
3. Step 3: Cross multiply
   8,181,870.75x = 11,290,978.02 × 4,697,434.23
4. Step 4: Simplify right side
   8,181,870.75x = 53,038,626,680,111.58
5. Step 5: Solve for x
   x = 53,038,626,680,111.58/8,181,870.75
6. Step 6: Final answer
   x = 6,482,457.17