Finding the Fourth Proportional to 143,692,627.98, 215,675,208.57 and 88,939,590.54

Step by Step Solution

1. Step 1: Write the proportion equation
   143,692,627.98 : 215,675,208.57 = 88,939,590.54 : x
2. Step 2: Convert to fraction form
   143,692,627.98/215,675,208.57 = 88,939,590.54/x
3. Step 3: Cross multiply
   143,692,627.98x = 215,675,208.57 × 88,939,590.54
4. Step 4: Simplify right side
   143,692,627.98x = 19,182,064,739,844,900
5. Step 5: Solve for x
   x = 19,182,064,739,844,900/143,692,627.98
6. Step 6: Final answer
   x = 133,493,729.01