Finding the Fourth Proportional to 78,730,016.42, 118,248,274.48 and 64,167,696.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,730,016.42 : 118,248,274.48 = 64,167,696.48 : x
2. Step 2: Convert to fraction form
   78,730,016.42/118,248,274.48 = 64,167,696.48/x
3. Step 3: Cross multiply
   78,730,016.42x = 118,248,274.48 × 64,167,696.48
4. Step 4: Simplify right side
   78,730,016.42x = 7,587,719,386,116,370
5. Step 5: Solve for x
   x = 7,587,719,386,116,370/78,730,016.42
6. Step 6: Final answer
   x = 96,376,448.67