Finding the Fourth Proportional to 36,980,817.72, 55,478,792.39 and 12,716,593.40

Step by Step Solution

1. Step 1: Write the proportion equation
   36,980,817.72 : 55,478,792.39 = 12,716,593.40 : x
2. Step 2: Convert to fraction form
   36,980,817.72/55,478,792.39 = 12,716,593.40/x
3. Step 3: Cross multiply
   36,980,817.72x = 55,478,792.39 × 12,716,593.40
4. Step 4: Simplify right side
   36,980,817.72x = 705,501,244,805,667.25
5. Step 5: Solve for x
   x = 705,501,244,805,667.25/36,980,817.72
6. Step 6: Final answer
   x = 19,077,491.75