Finding the Fourth Proportional to 5,555,748.30, 8,375,263.89 and 5,185,400.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,555,748.30 : 8,375,263.89 = 5,185,400.34 : x
2. Step 2: Convert to fraction form
   5,555,748.30/8,375,263.89 = 5,185,400.34/x
3. Step 3: Cross multiply
   5,555,748.30x = 8,375,263.89 × 5,185,400.34
4. Step 4: Simplify right side
   5,555,748.30x = 43,429,096,222,795.72
5. Step 5: Solve for x
   x = 43,429,096,222,795.72/5,555,748.30
6. Step 6: Final answer
   x = 7,816,966.12