Finding the Fourth Proportional to 116,300,662.68, 160,495,968.78 and 64,091,569.08

Step by Step Solution

1. Step 1: Write the proportion equation
   116,300,662.68 : 160,495,968.78 = 64,091,569.08 : x
2. Step 2: Convert to fraction form
   116,300,662.68/160,495,968.78 = 64,091,569.08/x
3. Step 3: Cross multiply
   116,300,662.68x = 160,495,968.78 × 64,091,569.08
4. Step 4: Simplify right side
   116,300,662.68x = 10,286,438,470,124,894
5. Step 5: Solve for x
   x = 10,286,438,470,124,894/116,300,662.68
6. Step 6: Final answer
   x = 88,446,946.33