Finding the Fourth Proportional to 108,109,898.72, 149,190,920.78 and 58,549,132.60

Step by Step Solution

1. Step 1: Write the proportion equation
   108,109,898.72 : 149,190,920.78 = 58,549,132.60 : x
2. Step 2: Convert to fraction form
   108,109,898.72/149,190,920.78 = 58,549,132.60/x
3. Step 3: Cross multiply
   108,109,898.72x = 149,190,920.78 × 58,549,132.60
4. Step 4: Simplify right side
   108,109,898.72x = 8,734,999,003,464,316
5. Step 5: Solve for x
   x = 8,734,999,003,464,316/108,109,898.72
6. Step 6: Final answer
   x = 80,797,402.52