Finding the Fourth Proportional to 66,648,196.63, 91,994,064.15 and 38,777,462.29

Step by Step Solution

1. Step 1: Write the proportion equation
   66,648,196.63 : 91,994,064.15 = 38,777,462.29 : x
2. Step 2: Convert to fraction form
   66,648,196.63/91,994,064.15 = 38,777,462.29/x
3. Step 3: Cross multiply
   66,648,196.63x = 91,994,064.15 × 38,777,462.29
4. Step 4: Simplify right side
   66,648,196.63x = 3,567,296,353,480,466
5. Step 5: Solve for x
   x = 3,567,296,353,480,466/66,648,196.63
6. Step 6: Final answer
   x = 53,524,274.23