Finding the Fourth Proportional to 93,144,417.30, 139,562,166.51 and 56,642,391.54

Step by Step Solution

1. Step 1: Write the proportion equation
   93,144,417.30 : 139,562,166.51 = 56,642,391.54 : x
2. Step 2: Convert to fraction form
   93,144,417.30/139,562,166.51 = 56,642,391.54/x
3. Step 3: Cross multiply
   93,144,417.30x = 139,562,166.51 × 56,642,391.54
4. Step 4: Simplify right side
   93,144,417.30x = 7,905,134,879,630,095
5. Step 5: Solve for x
   x = 7,905,134,879,630,095/93,144,417.30
6. Step 6: Final answer
   x = 84,869,658.42