Finding the Fourth Proportional to 116,658,043.21, 160,991,348.06 and 64,450,441.89

Step by Step Solution

1. Step 1: Write the proportion equation
   116,658,043.21 : 160,991,348.06 = 64,450,441.89 : x
2. Step 2: Convert to fraction form
   116,658,043.21/160,991,348.06 = 64,450,441.89/x
3. Step 3: Cross multiply
   116,658,043.21x = 160,991,348.06 × 64,450,441.89
4. Step 4: Simplify right side
   116,658,043.21x = 10,375,963,523,184,772
5. Step 5: Solve for x
   x = 10,375,963,523,184,772/116,658,043.21
6. Step 6: Final answer
   x = 88,943,404.48