Finding the Fourth Proportional to 395,139,049.72, 592,478,827.76 and 149,514,658.98

Step by Step Solution

1. Step 1: Write the proportion equation
   395,139,049.72 : 592,478,827.76 = 149,514,658.98 : x
2. Step 2: Convert to fraction form
   395,139,049.72/592,478,827.76 = 149,514,658.98/x
3. Step 3: Cross multiply
   395,139,049.72x = 592,478,827.76 × 149,514,658.98
4. Step 4: Simplify right side
   395,139,049.72x = 88,584,269,885,406,544
5. Step 5: Solve for x
   x = 88,584,269,885,406,544/395,139,049.72
6. Step 6: Final answer
   x = 224,185,055.74