Finding the Fourth Proportional to 9,153,111.18, 12,630,458.52 and 5,431,300.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,153,111.18 : 12,630,458.52 = 5,431,300.76 : x
2. Step 2: Convert to fraction form
   9,153,111.18/12,630,458.52 = 5,431,300.76/x
3. Step 3: Cross multiply
   9,153,111.18x = 12,630,458.52 × 5,431,300.76
4. Step 4: Simplify right side
   9,153,111.18x = 68,599,818,958,824.47
5. Step 5: Solve for x
   x = 68,599,818,958,824.47/9,153,111.18
6. Step 6: Final answer
   x = 7,494,699.63