Finding the Fourth Proportional to 89,487,653.73, 123,549,697.29 and 61,277,229.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,487,653.73 : 123,549,697.29 = 61,277,229.09 : x
2. Step 2: Convert to fraction form
   89,487,653.73/123,549,697.29 = 61,277,229.09/x
3. Step 3: Cross multiply
   89,487,653.73x = 123,549,697.29 × 61,277,229.09
4. Step 4: Simplify right side
   89,487,653.73x = 7,570,783,104,839,483
5. Step 5: Solve for x
   x = 7,570,783,104,839,483/89,487,653.73
6. Step 6: Final answer
   x = 84,601,425.89