Finding the Fourth Proportional to 190,064,170.72, 262,288,544.88 and 103,144,042.72

Step by Step Solution

1. Step 1: Write the proportion equation
   190,064,170.72 : 262,288,544.88 = 103,144,042.72 : x
2. Step 2: Convert to fraction form
   190,064,170.72/262,288,544.88 = 103,144,042.72/x
3. Step 3: Cross multiply
   190,064,170.72x = 262,288,544.88 × 103,144,042.72
4. Step 4: Simplify right side
   190,064,170.72x = 27,053,500,878,069,356
5. Step 5: Solve for x
   x = 27,053,500,878,069,356/190,064,170.72
6. Step 6: Final answer
   x = 142,338,773.14