Finding the Fourth Proportional to 61,136,613.12, 84,333,490.56 and 38,204,256

Step by Step Solution

1. Step 1: Write the proportion equation
   61,136,613.12 : 84,333,490.56 = 38,204,256 : x
2. Step 2: Convert to fraction form
   61,136,613.12/84,333,490.56 = 38,204,256/x
3. Step 3: Cross multiply
   61,136,613.12x = 84,333,490.56 × 38,204,256
4. Step 4: Simplify right side
   61,136,613.12x = 3,221,898,262,727,823.50
5. Step 5: Solve for x
   x = 3,221,898,262,727,823.50/61,136,613.12
6. Step 6: Final answer
   x = 52,699,979.58