Finding the Fourth Proportional to 42,487,176.50, 63,730,667.48 and 18,210,361.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,487,176.50 : 63,730,667.48 = 18,210,361.94 : x
2. Step 2: Convert to fraction form
   42,487,176.50/63,730,667.48 = 18,210,361.94/x
3. Step 3: Cross multiply
   42,487,176.50x = 63,730,667.48 × 18,210,361.94
4. Step 4: Simplify right side
   42,487,176.50x = 1,160,558,521,488,587.75
5. Step 5: Solve for x
   x = 1,160,558,521,488,587.75/42,487,176.50
6. Step 6: Final answer
   x = 27,315,501.22