Finding the Fourth Proportional to 9,194,064.28, 12,687,808.12 and 5,328,827.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,194,064.28 : 12,687,808.12 = 5,328,827.50 : x
2. Step 2: Convert to fraction form
   9,194,064.28/12,687,808.12 = 5,328,827.50/x
3. Step 3: Cross multiply
   9,194,064.28x = 12,687,808.12 × 5,328,827.50
4. Step 4: Simplify right side
   9,194,064.28x = 67,611,140,824,579.30
5. Step 5: Solve for x
   x = 67,611,140,824,579.30/9,194,064.28
6. Step 6: Final answer
   x = 7,353,781.61