Finding the Fourth Proportional to 122,314,429.72, 168,791,729.98 and 66,557,948.48

Step by Step Solution

1. Step 1: Write the proportion equation
   122,314,429.72 : 168,791,729.98 = 66,557,948.48 : x
2. Step 2: Convert to fraction form
   122,314,429.72/168,791,729.98 = 66,557,948.48/x
3. Step 3: Cross multiply
   122,314,429.72x = 168,791,729.98 × 66,557,948.48
4. Step 4: Simplify right side
   122,314,429.72x = 11,234,431,267,858,910
5. Step 5: Solve for x
   x = 11,234,431,267,858,910/122,314,429.72
6. Step 6: Final answer
   x = 91,848,780.99