Finding the Fourth Proportional to 105,673,549.42, 158,430,381.45 and 69,291,099.10

Step by Step Solution

1. Step 1: Write the proportion equation
   105,673,549.42 : 158,430,381.45 = 69,291,099.10 : x
2. Step 2: Convert to fraction form
   105,673,549.42/158,430,381.45 = 69,291,099.10/x
3. Step 3: Cross multiply
   105,673,549.42x = 158,430,381.45 × 69,291,099.10
4. Step 4: Simplify right side
   105,673,549.42x = 10,977,815,261,502,750
5. Step 5: Solve for x
   x = 10,977,815,261,502,750/105,673,549.42
6. Step 6: Final answer
   x = 103,884,229.51