Finding the Fourth Proportional to 185,493,096.72, 278,248,592.60 and 60,992,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   185,493,096.72 : 278,248,592.60 = 60,992,968.72 : x
2. Step 2: Convert to fraction form
   185,493,096.72/278,248,592.60 = 60,992,968.72/x
3. Step 3: Cross multiply
   185,493,096.72x = 278,248,592.60 × 60,992,968.72
4. Step 4: Simplify right side
   185,493,096.72x = 16,971,207,704,835,824
5. Step 5: Solve for x
   x = 16,971,207,704,835,824/185,493,096.72
6. Step 6: Final answer
   x = 91,492,395.16