Finding the Fourth Proportional to 71,671,389.18, 98,903,667.69 and 42,312,179.04

Step by Step Solution

1. Step 1: Write the proportion equation
   71,671,389.18 : 98,903,667.69 = 42,312,179.04 : x
2. Step 2: Convert to fraction form
   71,671,389.18/98,903,667.69 = 42,312,179.04/x
3. Step 3: Cross multiply
   71,671,389.18x = 98,903,667.69 × 42,312,179.04
4. Step 4: Simplify right side
   71,671,389.18x = 4,184,829,695,011,943
5. Step 5: Solve for x
   x = 4,184,829,695,011,943/71,671,389.18
6. Step 6: Final answer
   x = 58,389,124.91