Finding the Fourth Proportional to 9,058,428.22, 12,501,351.30 and 5,191,309.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058,428.22 : 12,501,351.30 = 5,191,309.18 : x
2. Step 2: Convert to fraction form
   9,058,428.22/12,501,351.30 = 5,191,309.18/x
3. Step 3: Cross multiply
   9,058,428.22x = 12,501,351.30 × 5,191,309.18
4. Step 4: Simplify right side
   9,058,428.22x = 64,898,379,766,094.94
5. Step 5: Solve for x
   x = 64,898,379,766,094.94/9,058,428.22
6. Step 6: Final answer
   x = 7,164,419.50