Finding the Fourth Proportional to 7,758,342.72, 10,705,746.62 and 4,320,903.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,758,342.72 : 10,705,746.62 = 4,320,903.60 : x
2. Step 2: Convert to fraction form
   7,758,342.72/10,705,746.62 = 4,320,903.60/x
3. Step 3: Cross multiply
   7,758,342.72x = 10,705,746.62 × 4,320,903.60
4. Step 4: Simplify right side
   7,758,342.72x = 46,258,499,111,045.83
5. Step 5: Solve for x
   x = 46,258,499,111,045.83/7,758,342.72
6. Step 6: Final answer
   x = 5,962,420.17