Finding the Fourth Proportional to 7,111,818.04, 10,663,407.02 and 2,788,688.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,111,818.04 : 10,663,407.02 = 2,788,688.72 : x
2. Step 2: Convert to fraction form
   7,111,818.04/10,663,407.02 = 2,788,688.72/x
3. Step 3: Cross multiply
   7,111,818.04x = 10,663,407.02 × 2,788,688.72
4. Step 4: Simplify right side
   7,111,818.04x = 29,736,922,873,442.82
5. Step 5: Solve for x
   x = 29,736,922,873,442.82/7,111,818.04
6. Step 6: Final answer
   x = 4,181,339.10