Finding the Fourth Proportional to 162,644,541.72, 224,449,468.80 and 89,305,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,644,541.72 : 224,449,468.80 = 89,305,683.72 : x
2. Step 2: Convert to fraction form
   162,644,541.72/224,449,468.80 = 89,305,683.72/x
3. Step 3: Cross multiply
   162,644,541.72x = 224,449,468.80 × 89,305,683.72
4. Step 4: Simplify right side
   162,644,541.72x = 20,044,613,271,774,808
5. Step 5: Solve for x
   x = 20,044,613,271,774,808/162,644,541.72
6. Step 6: Final answer
   x = 123,241,844.21