Finding the Fourth Proportional to 7,185,085.56, 9,913,937.90 and 4,128,709.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185,085.56 : 9,913,937.90 = 4,128,709.32 : x
2. Step 2: Convert to fraction form
   7,185,085.56/9,913,937.90 = 4,128,709.32/x
3. Step 3: Cross multiply
   7,185,085.56x = 9,913,937.90 × 4,128,709.32
4. Step 4: Simplify right side
   7,185,085.56x = 40,931,767,756,061.54
5. Step 5: Solve for x
   x = 40,931,767,756,061.54/7,185,085.56
6. Step 6: Final answer
   x = 5,696,768.32