Finding the Fourth Proportional to 93,312,078.53, 139,968,117.79 and 89,532,942.53

Step by Step Solution

1. Step 1: Write the proportion equation
   93,312,078.53 : 139,968,117.79 = 89,532,942.53 : x
2. Step 2: Convert to fraction form
   93,312,078.53/139,968,117.79 = 89,532,942.53/x
3. Step 3: Cross multiply
   93,312,078.53x = 139,968,117.79 × 89,532,942.53
4. Step 4: Simplify right side
   93,312,078.53x = 12,531,757,445,200,668
5. Step 5: Solve for x
   x = 12,531,757,445,200,668/93,312,078.53
6. Step 6: Final answer
   x = 134,299,413.79