Finding the Fourth Proportional to 109,097,874.08, 150,586,548.72 and 64,485,173.60

Step by Step Solution

1. Step 1: Write the proportion equation
   109,097,874.08 : 150,586,548.72 = 64,485,173.60 : x
2. Step 2: Convert to fraction form
   109,097,874.08/150,586,548.72 = 64,485,173.60/x
3. Step 3: Cross multiply
   109,097,874.08x = 150,586,548.72 × 64,485,173.60
4. Step 4: Simplify right side
   109,097,874.08x = 9,710,599,736,034,058
5. Step 5: Solve for x
   x = 9,710,599,736,034,058/109,097,874.08
6. Step 6: Final answer
   x = 89,008,148.12