Finding the Fourth Proportional to 55,126,404.48, 76,074,439.20 and 30,685,892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   55,126,404.48 : 76,074,439.20 = 30,685,892.16 : x
2. Step 2: Convert to fraction form
   55,126,404.48/76,074,439.20 = 30,685,892.16/x
3. Step 3: Cross multiply
   55,126,404.48x = 76,074,439.20 × 30,685,892.16
4. Step 4: Simplify right side
   55,126,404.48x = 2,334,412,037,423,677
5. Step 5: Solve for x
   x = 2,334,412,037,423,677/55,126,404.48
6. Step 6: Final answer
   x = 42,346,531.75