Finding the Fourth Proportional to 88,137,667.92, 121,501,789.69 and 61,593,611.59

Step by Step Solution

1. Step 1: Write the proportion equation
   88,137,667.92 : 121,501,789.69 = 61,593,611.59 : x
2. Step 2: Convert to fraction form
   88,137,667.92/121,501,789.69 = 61,593,611.59/x
3. Step 3: Cross multiply
   88,137,667.92x = 121,501,789.69 × 61,593,611.59
4. Step 4: Simplify right side
   88,137,667.92x = 7,483,734,040,740,250
5. Step 5: Solve for x
   x = 7,483,734,040,740,250/88,137,667.92
6. Step 6: Final answer
   x = 84,909,599.01