Finding the Fourth Proportional to 8,064,272.60, 12,068,415.30 and 7,392,426.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,064,272.60 : 12,068,415.30 = 7,392,426.20 : x
2. Step 2: Convert to fraction form
   8,064,272.60/12,068,415.30 = 7,392,426.20/x
3. Step 3: Cross multiply
   8,064,272.60x = 12,068,415.30 × 7,392,426.20
4. Step 4: Simplify right side
   8,064,272.60x = 89,214,869,456,200.88
5. Step 5: Solve for x
   x = 89,214,869,456,200.88/8,064,272.60
6. Step 6: Final answer
   x = 11,062,977.89