Finding the Fourth Proportional to 103,743,627.69, 143,166,434.55 and 56,701,454.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,743,627.69 : 143,166,434.55 = 56,701,454.52 : x
2. Step 2: Convert to fraction form
   103,743,627.69/143,166,434.55 = 56,701,454.52/x
3. Step 3: Cross multiply
   103,743,627.69x = 143,166,434.55 × 56,701,454.52
4. Step 4: Simplify right side
   103,743,627.69x = 8,117,745,077,427,383
5. Step 5: Solve for x
   x = 8,117,745,077,427,383/103,743,627.69
6. Step 6: Final answer
   x = 78,248,132.04